How to perform 'Async Add Days to Date' in PHP.
// Task: Async Add Days to Date
// Language: PHP
function async_add_days_to_date() {
// Implementation for Async Add Days to Date
$ result = ...; // Initialize variable
// TODO: Implement core logic here
// Step 1: Prepare data
// Step 2: Process Async Add Days to Date
echo("Done");
}